Your thumb is about the same size as your nose.
124
Playing Tetris after a traumatic event can prevent the development of traumatic memories and reduce the chance of having flashbacks.
29
A person will create enough saliva to fill two average size swimming pools during his lifetime.
191
If your DNA was stretched out it would reach to the moon 6,000 times.
256
Humans are capable of running 40 mph according to a study by bio-mechanical expert Dr. Matthew Bundle. Today's fastest man, Usain Bolt, has a top speed of 28 mph.
35
One human hair can support 3 ounces.
191
By weight, Bone is five times stronger than steel.
417
Human hair and fingernails continue to grow after death.
7